Battery Cutoff Switch
 

I don't do a lot of work on the X that necessitates having to disconnect the battery unlike my other cars. However it is a pain to do something so simple. So thinking ahead I decided to get one of these:

http://i.ebayimg.com/t/12-VOLT-HELLA...7.JPG~original

Im thinking its not bad for $30 - hella brand AND comes with a small harness. Im hoping the length is enough to lead out/through the trunk area so I can use it without taking the trunk cover.

Thoughts?

I need one of these!!! Been meaning to do one, jut have yet to get around to it....it's a huge pain to get at the battery since its buried under my air tank!

Please install it, take some pics and report back, stat!! ;)

Ps, what's the part number?

more info on this please ill take one as well

Got it from here - click

Its still on its way. I will make time get it on once i get it in

looks good and a good idea, indeed is back breaking work to get to the battery

Apparently I have one factory installed on my 8. a very very rare option for some reason. I'll have to check but it's on my build sheet.

Also curious if when you connect it will it have enough length to stick out from underneath the metal cap and past the spare tire. I figure even if it can get to the gap between wheel well and the tire, thats a good place for it to hide/reside.
Please keep us updated on how it sits there.

thats interesting - got a pic?



Im hoping it does. Of course if it doesn't I could just extend it. And in fact it would've been cheaper if I did the wires myself and get a regular non-wired switch. but I liked the novelty that it looks factory

It's always a good idea to disconnect the battery whenever you work under a vehicle. I remember about 10 yrs ago during Bullrun (coast to coast timed race), a participant put his Lamborghini Diablo on front jackstands, he was working underneath with the key on, jumped the starter circut with a tool, car jumped foward off the stand, crushed/ran over him and proceeded across the garage area into a Ferarri F40 and Gumpert Apollo. UGLY SITUATION!!!! A battery switch could have avoided the carnage.

z168, I'll look this weekend for it. I don't remember seeing it, but I just got the build sheet and the comment was I have one from factory. the register owner for the 8's said this was a very odd/rare thing to have on the car.

"This (referring to my car cb00168) and CB00169 were the only cars of the whole E31 production that had
a battery mains switch installed. Maybe others had it installed too only
the option S818 was never again in use."

This might help:

Unofficialbmw.com :: View topic - can someone explain an option I have?